Child booster seat



FIG. 1 is a front perspective view of the child booster seat showing mynew design;

FIG. 2 is a right side view of the child booster seat;

FIG. 3 is a left side view of the child booster seat;

FIG. 4 is a front view of the child booster seat;

FIG. 5 is a rear view of the child booster seat; and,

FIG. 6 is a top plan view of the child booster seat.

The ornamental design for a child booster seat, as shown and described.